#index {
	margin: 5% 2%;
	padding: 2% 1%;
}

header {
	margin-bottom: 5%;
	padding-left: 6%;
}

header h3 {
	text-align: center;
}

main ul li {
	list-style: none;
	text-indent: 2rem;
	margin: 3%;
	padding: 1%;
	user-select: none;
}

main ul li strong {
	float: right;
	margin-right: 2%;
}

main ul li .sign-in-button {
	display: none;
	margin-left: 9%;
}
main ul :hover{
	background-color: #E2E3E5;
}
main ul li:hover .sign-in-button {
	display: inline;
	background-color: white;
	border: none;
}

.icon {
	background-repeat: no-repeat;
	background-size: contain;
}

.icon-default {
	background-image: url(../img/签到打卡.svg);
}

.icon-success {
	background-image: url(../img/成功.svg);
}

footer {
	margin-top: 15%;
	font-size: 12px
}

footer p {
	text-align: center;
}
